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From: Jan Weitzel <j.weitzel@phytec.de>
To: barebox@lists.infradead.org
Subject: [PATCH] net: cpsw: invalidate complete buffer
Date: Fri, 27 Feb 2015 10:56:04 +0100	[thread overview]
Message-ID: <1425030964-45167-1-git-send-email-j.weitzel@phytec.de> (raw)

Without invalidating the complete buffer before giving it to
dma_inv_range, we got strange packets.

Signed-off-by: Jan Weitzel <j.weitzel@phytec.de>
Tested-by: Teresa Gámez <t.gamez@phytec.de>
---
 drivers/net/cpsw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/cpsw.c b/drivers/net/cpsw.c
index 799fac8..33afdc3 100644
--- a/drivers/net/cpsw.c
+++ b/drivers/net/cpsw.c
@@ -886,7 +886,7 @@ static int cpsw_recv(struct eth_device *edev)
 	int len;
 
 	while (cpdma_process(priv, &priv->rx_chan, &buffer, &len) >= 0) {
-		dma_inv_range((ulong)buffer, (ulong)buffer + len);
+		dma_inv_range((ulong)buffer, (ulong)buffer + PKTSIZE);
 		net_receive(edev, buffer, len);
 		cpdma_submit(priv, &priv->rx_chan, buffer, PKTSIZE);
 	}
-- 
1.9.1


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             reply	other threads:[~2015-02-27  9:58 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-27  9:56 Jan Weitzel [this message]
2015-02-27 11:47 ` Lucas Stach
2015-02-27 13:14   ` Jan Weitzel
2015-02-27 13:39     ` Lucas Stach
2015-02-27 13:45       ` Lucas Stach
2015-03-02  7:35         ` Jan Weitzel

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